MC33166T ON Semiconductor, MC33166T Datasheet - Page 4

• Manufacturer Part Number: MC33166T
• Description: IC REG SWITCH INVERT 3A TO220-5
• Manufacturer: ON Semiconductor
• Type: Step-Down (Buck), Step-Up (Boost), Invertingr

Specifications of MC33166T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 40 V
• Current - Output: 3A
• Frequency - Switching: 72kHz
• Voltage - Input: 7.5 ~ 40 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Straight Leads)
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MC33166TOS

− 20
100
− 4.0
− 8.0
− 12
5.25
5.17
5.09
5.01
4.93
4.85
80
60
40
20
4.0
0
− 55
10
0
− 55
Figure 2. Voltage Feedback Input Threshold
V
Figure 4. Error Amp Open Loop Gain and
CC
Figure 6. Oscillator Frequency Change
− 25
100
− 25
= 12 V
Phase versus Frequency
T
A
Gain
1.0 k
T
0
versus Temperature
, AMBIENT TEMPERATURE (°C)
0
A
versus Temperature
, AMBIENT TEMPERATURE (°C)
f, FREQUENCY (Hz)
25
25
10 k
V
V
V
50
50
FB(th)
FB(th)
FB(th)
100 k
Max = 5.15 V
Typ = 5.05 V
Min = 4.95 V
V
V
R
T
A
CC
Comp
L
75
75
= +25°C
= 100 k
= 12 V
= 3.25 V
V
1.0 M
CC
MC34166, MC33166
Phase
100
100
= 12 V
http://onsemi.com
10 M
125
125
0
30
60
90
120
150
180
4
100
100
2.0
1.6
1.2
0.8
0.4
80
60
40
20
80
60
40
20
0
− 55
0
0
1.5
0
Figure 3. Voltage Feedback Input Bias
Figure 5. Error Amp Output Saturation
− 25
V
T
Figure 7. Switch Output Duty Cycle
A
CC
2.0
= +25°C
= 12 V
versus Compensation Voltage
0.4
Current versus Temperature
V
I
Comp
T
Sink
A
0
, AMBIENT TEMPERATURE (°C)
versus Sink Current
, OUTPUT SINK CURRENT (mA)
2.5
, COMPENSATION VOLTAGE (V)
0.8
25
3.0
50
1.2
3.5
V
V
T
A
V
V
75
CC
FB
CC
FB
= +25°C
= 5.5 V
= 12 V
= V
= 12 V
1.6
FB(th)
4.0
100
125
4.5
2.0